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drm/radeon/kms: Fix crash getting TV info with no BIOS. 

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Michel Dänzer 2010-01-11 08:58:38 +01:00 committed by Dave Airlie
parent 1b24203e51
commit 11f3b59e36
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/radeon/radeon_combios.c
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@ -687,6 +687,9 @@ radeon_combios_get_tv_info(struct radeon_device *rdev)
uint16_t tv_info;
enum radeon_tv_std tv_std = TV_STD_NTSC;
if (rdev->bios == NULL)
return tv_std;
tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (tv_info) {
if (RBIOS8(tv_info + 6) == 'T') {